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A lab assistant uses a pipette to prepare Coronavirus RNA for sequencing. File

COVID-19 surge | ‘INSACOG shared analysis on new strains with government’

Special Correspondent

INSACOG refers to the Indian SARS-CoV-2 Genome Sequencing Consortia

Illustration of NASA’s Perseverance rover at work within the Jezero Crater on Mars. Credit: NASA/JPL-Caltech

Best from science journals: Icy clouds on Mars

Question Corner: What makes chocolate smell musty and mouldy?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Medical oxygen cylinders arrived for COVID-19 patients, at Shahnai Banquet Hall Covid Isolation Centre in New Delhi on Thursday, April 29, 2021.

Scientists see flaws in govt-backed model's approach to forecast pandemic

Jacob Koshy A parameter that was inaccurate and calibration errors may have led to predictions that did not signal the catastrophic second wave.

Editor's Pick

Sauropod skeleton. Image for representational purposes only

100 million-year-old bones of sauropods discovered in Meghalaya

PTI The finding makes Meghalaya the fifth state in India after Gujarat, Madhya Pradesh, Maharashtra, and Tamil Nadu to report Sauropod bones having titanosaurian affinity.

People aged between 18 and 45 getting vaccinated at Apollo vaccination centre in Chennai

Single COVID-19 vaccine dose boosts protection in previously infected: study

PTI People who had previously had mild or asymptomatic infection had significantly enhanced protection against the Kent and South Africa variants, after a single dose of the mRNA vaccine.

IICT chief S. Chandrasekhar with Bharat Biotech CMD Krishna Ella recently.

COVID second wave affects trial of new drugs

V. Geetanath IICT has lined up at least three potential repurposed drugs for clinical trials

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A researcher at Nanyang Technological University's attaching an electrode on the surface of a Venus flytrap plant at a laboratory in Singapore, as scientists develop a high-tech system for communicating with vegetation.

Watch | Scientists develop ‘robo-plants’ to interact with plants

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Coronavirus | Scientists’ body INSACOG shared analysis on new strains with government, says member

Question Corner: What makes chocolate smell musty and mouldy?

Best from science journals: Icy clouds on Mars

Scientists see flaws in govt-backed model's approach to forecast pandemic

100 million-year-old bones of sauropods discovered in Meghalaya

How long is the solar system's longest day? Venus has the answer

Single COVID-19 vaccine dose boosts protection in previously infected: study

People who had previously had mild or asymptomatic infection had significantly enhanced protection against the Kent and South Africa variants, after a single dose of the mRNA vaccine.

COVID second wave affects trial of new drugs

IICT has lined up at least three potential repurposed drugs for clinical trials

Our COVID-19 connection with primitive cavemen

Some genes inherited from Neanderthals help defy the virus, others carry a risk of getting critically ill

Herpetologist Deepak Veerappan has a snake named after him

Xylophis deepaki has iridescent scales and is just 20 cm long

From Asimov to anaerobes: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

IIT-Bombay finds innovative way to generate oxygen

An official statement claimed that initial tests conducted at the Indian Institute of Technology-Bombay have shown “promising results”.

China launches key module of space station planned for 2022

The module, named "Tianhe", or "Harmony of the Heavens", was launched on the Long March 5B at 11:23 a.m.

Astronaut Michael Collins, Apollo 11 pilot, dead of cancer

Mr. Collins was part of the three-man Apollo 11 crew that effectively ended the space race between the United States and Russia

Best from science journals: Is the Red Sea an ocean?

Here are some of the most interesting research papers to have appeared in top science journals last week.

One in four people experience mild side effects from Covishield vaccine: Lancet study

Systemic effects included headache, fatigue, chills and shiver, diarrhoea, fever, arthralgia, myalgia, and nausea.

Covaxin offers protection against double mutant variant found in India: study

It will provide the much-needed boost for COVID-19 vaccination programme in India, say researchers

Coronavirus | Indian COVID-19 variant found in at least 17 countries, says WHO

The WHO recently listed B.1.617 — which counts several sub-lineages with slightly different mutations and characteristics — as a "variant of interest".

At least 1 in 10 women experience miscarriage: study

"Silence around miscarriage remains not only for women who experience it, but also among health care providers, policymakers and research funders," said co-lead author Siobhan Quenby

NASA's Mars helicopter's third flight goes farther, faster than before

The Perseverance rover, which carried the four-pound (1.8 kilograms) rotorcraft to Mars, filmed the 80-second third flight. NASA said Sunday that video clips would be sent to Earth in the coming days.

A black hole dubbed 'the Unicorn' may be galaxy's smallest one

It is located about 1,500 light years from Earth.

China's first Mars rover named 'Zhurong'

Tianwen-1's goals include analysing and mapping the Martian surface and geology, looking for water ice and studying the climate and surface environment.

'Creative' genes gave Homo sapiens edge over Neanderthals: study

Such genes were like "a secret weapon" that gave modern humans "a significant advantage over now-extinct hominids by fostering greater resilience to ageing, injury, and disease, they wrote.

Researchers create ultra-white paint that can cool your home

The new BaSO4 paint can cool 4.5o C below the ambient surroundings.

There’s music in spider webs, say MIT researchers

Different frequencies of sound were assigned to each strand of a web, thereby creating notes.

International Space Station | A space for science, experiments and unity

Global cooperation in space research faces challenges with Russia considering leaving the ISS and launching its own station

Coronavirus | India may have 8 to 10 lakh cases a day in mid-May, says Michigan University epidemiologist Bhramar Mukherjee

Complacency with a false sense of security has led to the spike in cases, she says.

Coronavirus | Centre contradicts Serum Institute of India on Covishield pricing, to purchase at ₹150 per dose

Poonawalla silent on Health Minister’s tweet that govt of India’s procurement cost remains ₹150/dose.

IISc teams develop oxygen concentrators, ventilators

The groups also developed oxygen supply manifolds

Question Corner: Can there be fake satellite images?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Groundwater depletion may reduce winter cropping intensity by 20% in India

Policy-supported intensive agriculture led to unsustainable groundwater use, water scarcity

Coronavirus | Covishield protects against double mutant: study

Convalescent plasma from people who were infected and those who had recovered was tested

All about missions to Space: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

T. Rex walked slower than previously thought: study

The dinosaur's preferred speed was 4.61 kms an hour, close to the walking pace of humans and horses

Bad offshore weather delays SpaceX launch until Friday

The four astronauts — from the U.S., Japan and France — will spend six months at the International Space Station.

In first, NASA’s Mars rover makes oxygen on another planet

The unprecedented extraction of oxygen, literally out of thin air on Mars, was achieved by an experimental device aboard Perseverance

Coronavirus | IIT Kharagpur launches COVIRAP diagnostic technology

The results can be made available within 45 minutes of obtaining the patient sample.

Best from science journals: Monkey–human embryos

Here are some of the most interesting research papers to have appeared in top science journals last week.

Covaxin neutralises double mutant strain: ICMR

"ICMR study shows Covaxin neutralises against multiple variants of SARS-CoV-2.”

EMA wants warning of blood clots with low platelet count for Johnson and Johnson vaccine

The safety committee also ‘concluded that these events should be listed as very rare side effects of the vaccine’.

Astronauts to fly reused SpaceX rocket, capsule for 1st time

This will be SpaceX’s third crew flight for NASA from Florida's Kennedy Space Center in under a year.

Oral drug Molnupiravir effective against COVID-19 in hamsters: study

The drug was effective when provided up to 12 hours before or 12 hours after infection with SARS-CoV-2

Scientists in Chile discover remains of plant-eating dinosaur

Paleontological studies suggest it lived during the Cretaceous period 66-80 million years ago

Mass fossil site may prove tyrannosaurs lived in packs

In addition to the tyrannosaurs, researchers have also found seven species of turtles, multiple fish and ray species

A rediscovered species brews promise for coffee's future

Stenophylla was found to have a complex flavour profile, with natural sweetness, medium-high acidity, fruitiness and good "body" — the way it feels in the mouth

NASA's Mars helicopter makes history with successful flight on Red Planet

During NASA's own coverage of the event livestreamed from JPL headquarters, NASA also displayed the first images from the flight.

On environment and ecology: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

‘Godzilla’ shark discovered in New Mexico gets formal name

The formal naming announcement followed seven years of excavation, preservation and study

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A patient being taken in an auto-rickshaw to the COVID-19 Ward at King George Hospital, in Visakhapatnam on Monday.

159K | COVID-19 | A.P. strain at least 15 times more virulent

Asiatic Lion seeks the comfort of a shade in its enclosure at the Nehru Zoological Park as the temperatures are rising with the onset of summer in Hyderabad on Saturday.

73K | Eight Asiatic lions test positive in COVID-19, first in India

Photo: aiimsrishikesh.edu.in

37K | Science Ministry funds trial on effect of Gayatri Mantra in treating COVID-19

Justice N.V. Ramana.

25K | News Analysis | A paradigm shift in Supreme Court after Justice N.V. Ramana takes over as CJI

Rohith Kumar, 22

25K | Bed blocking scam: Social worker, nephew held in sting operation

DMK president M.K. Stalin handing over a letter of his election as Legislature Party Leader to Governor Banwarilal Purohit on May 5, 2021. Photo: Special Arrangement

24K | Full list of Tamil Nadu Cabinet and Council of Ministers

A view of the Supreme Court of India. File

22K | Supreme Court declares Maratha quota law unconstitutional

Relatives of a woman suffering from the coronavirus disease (COVID-19), carry an oxygen cylinder as she receives treatment in the emergency room of Holy Family Hospital in New Delhi.

22K | Coronavirus | COVID-19 surge may taper off by end of May, says virologist Gagandeep Kang

Family members and paramedical workers rush a coronavirus patient at Rajiv Gandhi Government General Hospital, in Chennai on May 3, 2021.

14K | Coronavirus | TN imposes fresh restrictions for 14 days from May 6